Air Quality in Kolonnawa, Sri Lanka

Drizzle
27.2°C · 81.8% humidity
27.2°
Feels 32.9°
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
26 11am
21
24
34 2pm
30
37
37 5pm
37
37
37 8pm
30
37
30 11pm
30
30
28 2am
28
28
28 5am
30
30
30 8am
30
30
Station readings
26
21
24
CAMS model adj +3
27
27
27
27
27
34
34
34
34
34
27
34
27
27
27
25
25
25
25
27
27
27
27
27
AD 728×90

Air Quality Index Trend

47h · 2 stn

Kolonnawa's air quality is affected by vehicle emissions, industrial activity, and seasonal crop burning. Air quality typically worsens from November to February due to temperature inversions trapping pollutants near the surface.

81.8%
Humidity
94.9 km/h
Wind WSW
1011.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
34
8.24 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Kolonnawa?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.58.24 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (4 stations within 25 km)
8.24
Median
7.0
Average
3.46
Low
9.94
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -2.0

What is the 7-day forecast for Kolonnawa?

08-03
27.3° 26.6°
12.0 mm
08-04
27.6° 27.0°
2.69 mm
08-05
27.6° 27.3°
2.12 mm
08-06
27.3° 26.9°
13.81 mm
08-07
27.6° 27.1°
5.06 mm
08-08
27.6° 27.4°
3.13 mm
08-09
27.7° 26.9°
7.56 mm
Both models agree Avg diff: 1.1°C

Where are air quality stations near Kolonnawa?

85
Kolonnawa
0.7 km PM2.5: 28.5 µg/m³ PM10: 21.4 µg/m³
53
Colombo 07
3.3 km PM2.5: 13.1 µg/m³ PM10: 7.9 µg/m³
104
Battaramulla
5.7 km PM2.5: 36.8 µg/m³ PM10: 63.0 µg/m³
46
Battaramulla
5.7 km PM2.5: 11.0 µg/m³ PM10: 21.6 µg/m³
66
Battaramulla
5.7 km PM2.5: 19.2 µg/m³ PM10: 35.0 µg/m³
73
Battaramulla
5.7 km PM2.5: 22.4 µg/m³ PM10: 38.6 µg/m³
63
Battaramulla
5.7 km PM2.5: 17.6 µg/m³ PM10: 32.6 µg/m³
63
Battaramulla
5.7 km PM2.5: 17.6 µg/m³ PM10: 31.0 µg/m³
49
Battaramulla
5.7 km PM2.5: 11.8 µg/m³ PM10: 21.0 µg/m³
47
Battaramulla
5.7 km PM2.5: 11.2 µg/m³ PM10: 22.4 µg/m³

What cities are near Kolonnawa?

31 Kotikawatta 32 Peliyagoda 34 Colombo 31 Kelaniya 30 Mulleriyawa 30 Pita Kotte 30 Battaramulla South 29 Sri Jayewardenepura Kotte 31 Wattala 31 Hendala
Get AQI alerts for Kolonnawa

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T09:11 UTC.